Wiktionary
propiolactone
n. (context chemistry English) Either of two isomeric chemical compounds of the lactone family, α-propiolactone and and β-propiolactone.
Wikipedia
Propiolactone
Propiolactone may refer to either of two isomeric chemical compounds:
- Alpha-Propiolactone (α-Propiolactone)
- Beta-Propiolactone (β-Propiolactone)